[App Service] az webapp config appsettings set: Fix SyntaxWarning invalid decimal literal

src/azure-cli/azure/cli/command_modules/appservice/_help.py

@@ -1775,7 +1775,7 @@
 
 helps['webapp deployment container show-cd-url'] = """
 type: command
-short-summary: Get the URL which can be used to configure webhooks for continuous deployment.
+short-summary: Get the URL which can be used to configure webhooks for continuous deployment. Requires SCM Basic Auth Publishing Credentials to be enabled.
 examples:
   - name: Get the URL which can be used to configure webhooks for continuous deployment (autogenerated)
     text: az webapp deployment container show-cd-url --name MyWebApp --resource-group MyResourceGroup --slot staging

src/azure-cli/azure/cli/command_modules/appservice/custom.py

@@ -514,6 +514,17 @@ def update_app_settings(cmd, resource_group_name, name, settings=None, slot=None
     # pylint: disable=too-many-nested-blocks
     for src, dest, setting_type in [(settings, result, "Settings"), (slot_settings, slot_result, "SlotSettings")]:
         for s in src:
+            # Check if this looks like a simple key=value pair without JSON/dict syntax
+            # If so, parse it directly to avoid unnecessary warnings from ast.literal_eval
+            if ('=' in s and not s.lstrip().startswith(('{"', "[", "{")) and
+                    not s.startswith('@')):  # @ indicates file input
+                try:
+                    setting_name, value = s.split('=', 1)
+                    dest[setting_name] = value
+                    continue
+                except ValueError:
+                    pass  # Fall back to JSON parsing if split fails
+
             try:
                 temp = shell_safe_json_parse(s)
                 if isinstance(temp, list):  # a bit messy, but we'd like accept the output of the "list" command